TY  - BOOK
AU  - Tomasi Wayne
TI  - Introduction to Data Communications and Networking
SN  - 8131709302
U1  - 005.71 TOM 
PY  - 2007///
CY  - New Delhi
PB  - Pearson Education Asia
KW  - Data communications
N1  - Table of Contents
Ch. 1 Introduction to
ER  -